I arrived in Chiangmai on Oct 23 on a 60 days visa from my home country. The stamp on my passport says it expires on Dec 21. When is the earliest I can extend for another 30 days? I am a US passport holder. Thanks in advance.
TLDR : Answer Summary
The user is seeking information on the earliest date to extend their 60-day visa, which expires on Dec 21, for an additional 30 days in Thailand.